Masakazu Kyokane, Kazuaki Ando, Yoshiro Imai: ′′A Study of Visualization for Hidden Relation between Published Documents and Message from Twitter by means of Sentimental Analysis Approach,′′ The International Journal of E-Learning and Educational Technologies in the Digital Media (IJEETDM), Vol.2, No.1, pp.217-224 (January 2016).
菅原久嗣: 「感情語辞書を用いた日本語テキストからの感情抽出」-2010-http://hdl.handle.net/2261/35888 http://repository.dl.itc.u-tokyo.ac.jp/dspace/bitstream/2261/35888/1/48086413.pdf (accessed on 03-Feb-2017)